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Hi. my 2016 XD has check engine light on, and had someone read the code for me which was" crankcase ventilation disconnected " Any tips on finding this crankcase vent (which side of the crankcase or engine) and where does this vent hose connect to from the crankcase? exhaust, or intake manifold?
Any help is greatly appreciated.
 

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The positive crankcase ventilation (PCV) valves are located on the top of the valve covers should be 2 ,one on each side .And the hoses are connected to the intake manifold.
Replacing PCV Valve.
Its likely that one of the valves may be stuck open.
 
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